body {
  min-width: 350px;
  max-width: 750px;
  margin: 0 auto;
  background-color: #ffffff;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 75px !important;
  }
}
a {
  text-decoration: none;
}
header {
  font-size: 0.466667rem;
  color: #1C1C1C;
  height: 1.293333rem;
  width: 100%;
  line-height: 1.293333rem;
  text-align: center;
  border-bottom: 0.013333rem solid #cccccc;
}
.lis a {
  display: block;
  height: 3.386667rem;
  width: 3.373333rem;
  margin: 1.333333rem auto;
}
.lis a:nth-child(1) {
  margin: 1.2rem auto 0;
}
.lis a img {
  width: 100%;
}
